package com.devexperts.sample;

/*-
 * #%L
 * Aprof Core
 * %%
 * Copyright (C) 2002 - 2017 Devexperts, LLC
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public
 * License along with this program.  If not, see
 * <http://www.gnu.org/licenses/gpl-3.0.html>.
 * #L%
 */

/**
 * @author Dmitry Paraschenko
 */
public class FibonacciNumbers {
	private static int fib(int n) {
		if (n < 2)
			return 1;
		return fib(n - 1) + fib(n - 2);
	}

	public static void main(String[] args) {
		long time = System.currentTimeMillis();
		int n = Integer.parseInt(args[0]);
		System.out.printf("fib(%d)=%d\n", n, fib(n));
		System.out.printf("elapsed time=%d\n", System.currentTimeMillis() - time);
	}
}
